DC Motors In D.C. machines the residual magnetism is of the order of 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Armature winding Commutator Field winding Slip rings Armature winding Commutator Field winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is inversely proportional to flux per pole None of the listed here inversely proportional to applied voltage Directly proportional to flux per pole inversely proportional to flux per pole None of the listed here inversely proportional to applied voltage Directly proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator None of the listed here Motor is run at reduced speed Motor is reversed in direction Motor is run as a generator ANSWER DOWNLOAD EXAMIANS APP
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